The largest black hole collision ever recorded has scientists' jaws on the floor — and scratching their heads.

Gravitational-wave detectors have captured their biggest spectacle yet: two gargantuan, rapidly spinning black holes likely ...

A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics ...

Astronomers have detected the largest black hole merger ever, and it has challenged their understanding of such formations.

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...

In 2015, the Laser Interferometer Gravitational-wave Observatory (LIGO) directly detected gravitational waves, or ripples in space-time, for the first time ever—almost exactly one century after ...

The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through ...

Learn more about LIGO, the observatory that detected two massive black holes merging, the largest in recorded history.

A theory of merger black holes or simply a mass conundrum even scientists are baffled by, could you imagine a mass so heavy ...

A physics conference has received a report of the gravitational wave from the heaviest pair of black holes we’ve so far ...

Gravitational wave detectors have "heard" the ripples in space caused by the most massive black hole merger yet. One ...

And LIGO’s second gravitational wave event, GW151226, is great for both! Essentially, on the pessimist’s side, GW151226 makes it all-but-certain that LIGO is picking up genuine gravitational ...